Warm up
Start with an easy walk/jog up and down 1 flight of stairs. Repeat 6x.

Workout
Run up 2 flights of stairs and walk down. Repeat 3x.
Run up laterally 1 flight of stairs and run back down. Repeat 2x per side.
Walk up the stairs and squeeze glutes on each step (hip extension). On the last step, jump squat to the top step. Do this for one flight of stairs.
Walk up the stairs and squeeze glutes on each step (hip extension). On the last 2 steps, perform two jump squats to get to the top step.
Walk up the stairs and squeeze glutes on each step (hip extension). On the last 3 steps, perform 3 jump squats to get to the top step.
Walk up the stairs and squeeze glutes on each step (hip extension). On the last 4 steps, perform 4 jump squats to get to the top step.
Walk up the stairs and squeeze glutes on each step (hip extension). On the last 5 steps, perform 5 jump squats to get to the top step.
Walk up the stairs and squeeze glutes on each step (hip extension). On the last 6 steps, perform 6 jump squats to get to the top step.
Walk up the stairs and squeeze glutes on each step (hip extension). On the last 7 steps, perform 7 jump squats to get to the top step.
…..and so on until you complete jump squats on the entire flight of stairs.